Fireproof rolling door,shutter,shutters,roll up door,aluminum roller shutters roller shutter,rolling door,rolling shutter,roller door,roll ... shutter,Made in Guangzhou,ChinaSpecifications of Heatproof Rolling door: Door shutter width:55mm, 65mm,77mm ... insideOpening : Automatic or manually.Features of Heatproof Rolling Doors:1. For different buildings, you can ... to me from ALIBABA. OKM rolling shutters